One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(6,8)(9,10,12,14)(11,13,16,15)(17,18)(19,20)(21,24)(22,23)(6,8)(9,10)(11,15)(12,14)(13,16)(18,23)(19,21) involution — undirected(5,6)(7,8)(9,10,12,14)(11,13,16,15)(17,19,22,21)(18,24,23,20)(1,2)(3,4)(9,10)(11,13)(12,14)(15,16)(17,20,22,24)(18,19,23,21)(9,11)(10,13)(12,16)(14,15)(17,21,22,19)(18,24,23,20)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.